Table 2 Item analysis of the 13 MC reading items (N = 47, K = 13)
From: Exploring the validity evidence of a high-stake, second language reading test: an eye-tracking study
|  | Mean | Std. deviation | Item discrimination | Corrected item-total correlation | Cronbach’s alpha if item deleted |
|---|---|---|---|---|---|
Item 1 (reference) | .64 | .486 | .65 | .459 | .636 |
Item 2 (vocabulary) | .32 | .471 | .26 | .130 | .686 |
Item 3 (inference) | .45 | .503 | .33 | .154 | .684 |
Item 4 (inference) | .64 | .486 | .34 | .197 | .677 |
Item 5 (vocabulary) | .79 | .414 | .41 | .174 | .678 |
Item 6 (factual) | .49 | .505 | .70 | .496 | .629 |
Item 7 (inference) | .45 | .503 | .39 | .330 | .657 |
Item 8 (factual) | .49 | .505 | .45 | .256 | .669 |
Item 9 (inference) | .66 | .479 | .70 | .533 | .624 |
Item 10 (vocabulary) | .81 | .398 | .35 | .393 | .650 |
Item 11 (factual) | .83 | .380 | .29 | .196 | .674 |
Item 12 (negative factual) | .85 | .360 | .35 | .320 | .660 |
Item 13 (cohesion) | .55 | .503 | .52 | .352 | .653 |